EP0827140A3 - Appareil et méthode de lecture optique - Google Patents

Appareil et méthode de lecture optique Download PDF

Info

Publication number
EP0827140A3
EP0827140A3 EP97114349A EP97114349A EP0827140A3 EP 0827140 A3 EP0827140 A3 EP 0827140A3 EP 97114349 A EP97114349 A EP 97114349A EP 97114349 A EP97114349 A EP 97114349A EP 0827140 A3 EP0827140 A3 EP 0827140A3
Authority
EP
European Patent Office
Prior art keywords
prism
optical pick
photo
reduction
semiconductor lasers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97114349A
Other languages
German (de)
English (en)
Other versions
EP0827140B1 (fr
EP0827140A2 (fr
Inventor
Hiroyuki Ishihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Electronics Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0827140A2 publication Critical patent/EP0827140A2/fr
Publication of EP0827140A3 publication Critical patent/EP0827140A3/fr
Application granted granted Critical
Publication of EP0827140B1 publication Critical patent/EP0827140B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
EP97114349A 1996-08-27 1997-08-20 Appareil et méthode de lecture optique Expired - Lifetime EP0827140B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP22527996 1996-08-27
JP225279/96 1996-08-27
JP08225279A JP3112841B2 (ja) 1996-08-27 1996-08-27 光ピックアップ装置

Publications (3)

Publication Number Publication Date
EP0827140A2 EP0827140A2 (fr) 1998-03-04
EP0827140A3 true EP0827140A3 (fr) 1998-08-12
EP0827140B1 EP0827140B1 (fr) 2003-10-29

Family

ID=16826849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97114349A Expired - Lifetime EP0827140B1 (fr) 1996-08-27 1997-08-20 Appareil et méthode de lecture optique

Country Status (4)

Country Link
US (1) US5956312A (fr)
EP (1) EP0827140B1 (fr)
JP (1) JP3112841B2 (fr)
DE (1) DE69725811T2 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285645B1 (en) 1997-05-27 2001-09-04 Asahi Glass Company Ltd. Optical device
US6097691A (en) * 1997-09-05 2000-08-01 Asahi Glass Company Ltd. Optical device for recording or reading data to an optical disk
JPH11120582A (ja) * 1997-10-14 1999-04-30 Sony Corp 光学装置
JPH11213405A (ja) * 1998-01-22 1999-08-06 Sony Corp 光学ヘッド及びトラッキングエラー信号検出方法
US6496465B1 (en) * 1998-06-09 2002-12-17 Barry G. Broome Monolithic CD/DVD read/write head
EP1047051A3 (fr) 1999-04-19 2001-01-24 Samsung Electronics Co., Ltd. Module lumineux et tête de lecture optique compatible utilisant celui-ci
US6549504B2 (en) 1999-06-04 2003-04-15 Industrial Technology Research Institute Dual optical pickup head for accessing both DVD and CD disc
JP4288768B2 (ja) * 1999-07-08 2009-07-01 ソニー株式会社 集積光学素子及び光学ヘッド並びに光記録再生装置
US6810057B1 (en) 1999-11-25 2004-10-26 Matsushita Electric Industrial Co., Ltd. Semiconductor device and optical pickup device
US6928035B2 (en) * 2000-07-07 2005-08-09 Matsushita Electric Industrial Co., Ltd. Optical pick-up, optical disk apparatus and information processing apparatus
TW514899B (en) * 2000-10-27 2002-12-21 Matsushita Electric Industrial Co Ltd Optical pickup device and optical disk driver
US20020097660A1 (en) * 2000-11-16 2002-07-25 Matsushita Electric Industrial Co., Ltd. Diffraction grating body, optical pick-up, semiconductor laser apparatus and optical information apparatus
JP4121285B2 (ja) * 2002-02-18 2008-07-23 株式会社リコー 光源モジュール、光源装置、光走査装置および画像形成装置
US7024091B2 (en) * 2003-12-23 2006-04-04 Intel Corporation Thermal gradient prism for active beam steering
US8410594B2 (en) * 2006-01-11 2013-04-02 Stats Chippac Ltd. Inter-stacking module system
US7889993B2 (en) * 2007-08-17 2011-02-15 Avago Technologies Fiber Ip (Singapore) Pte. Ltd Optical transceiver module having a front facet reflector and methods for making and using a front facet reflector
TWI568117B (zh) * 2015-04-20 2017-01-21 友嘉科技股份有限公司 雷射的封裝結構及其相關元件

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62273633A (ja) * 1986-05-21 1987-11-27 Matsushita Electric Ind Co Ltd ２レ−ザ光ヘツド
JPS63113947A (ja) * 1986-10-31 1988-05-18 Nippon Telegr & Teleph Corp <Ntt> 多波長書込み型光学素子
JPS63222332A (ja) * 1987-03-11 1988-09-16 Matsushita Electric Ind Co Ltd トラツキング誤差信号検出装置
EP0372365A2 (fr) * 1988-12-09 1990-06-13 Sharp Kabushiki Kaisha Appareil de lecture optique
JPH03214102A (ja) * 1990-01-19 1991-09-19 Sony Corp 光ピックアップ装置
EP0470807A1 (fr) * 1990-08-09 1992-02-12 Matsushita Electric Industrial Co., Ltd. Appareil à disques optiques
US5513164A (en) * 1992-09-11 1996-04-30 Kabushiki Kaisha Toshiba Optical recording and reproducing apparatus

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0766548B2 (ja) * 1986-02-24 1995-07-19 ソニー株式会社 フオ−カス検出装置
JPH0728085B2 (ja) * 1986-02-24 1995-03-29 ソニー株式会社 半導体レ−ザ装置
JP2698174B2 (ja) * 1989-07-05 1998-01-19 三洋電機株式会社 光ヘッド装置
US5673241A (en) * 1991-11-08 1997-09-30 Seiko Epson Corporation Focus detection mechanism and optical head and optical storage device that use it
JPH05266529A (ja) * 1992-03-17 1993-10-15 Sony Corp 光学ヘッドおよびその製造方法
NL9300774A (nl) * 1992-05-13 1993-12-01 Gold Star Co Optische opneeminrichting.
JPH06333255A (ja) * 1993-05-25 1994-12-02 Matsushita Electric Ind Co Ltd 光ヘッド装置
JPH0737259A (ja) * 1993-07-23 1995-02-07 Ricoh Co Ltd 光ディスク装置の構成方法
KR0171076B1 (ko) * 1994-05-13 1999-04-15 배순훈 서로 다른 파장의 레이저 비임을 동시에 각각 발생하여 한쪽면에 복수개의 기록층을 가지는 광디스크를 기록/재생하는 광 픽업 시스템
US5598394A (en) * 1994-05-19 1997-01-28 Sanyo Electric Co., Ltd. Optical pick-up
KR0124189B1 (ko) * 1994-07-29 1997-11-25 배순훈 다중광학계를 갖춘 광픽업장치
JP3240846B2 (ja) * 1994-08-12 2001-12-25 松下電器産業株式会社 光ヘッド
KR100213282B1 (ko) * 1994-12-27 1999-08-02 전주범 다층 디스크용 광 픽업
KR100213270B1 (ko) * 1994-12-27 1999-08-02 전주범 양면 디스크용 광 픽업
JP3864428B2 (ja) * 1995-02-24 2006-12-27 ソニー株式会社 光学装置及び記録媒体再生装置
EP0749119A3 (fr) * 1995-05-31 1997-08-20 Daewoo Electronics Co Ltd Appareil de lecture optique
US5777959A (en) * 1995-06-28 1998-07-07 Nec Corporation Optical disk apparatus having a plurality of objective lenses
JPH0991700A (ja) * 1995-09-25 1997-04-04 Sony Corp 光学記録媒体の初期化方法とこれに用いる初期化装置
US5696749A (en) * 1996-06-28 1997-12-09 Eastman Kodak Company Dual-wavelength optical recording head utilizing grating beam splitter and integrated laser and detectors

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62273633A (ja) * 1986-05-21 1987-11-27 Matsushita Electric Ind Co Ltd ２レ−ザ光ヘツド
JPS63113947A (ja) * 1986-10-31 1988-05-18 Nippon Telegr & Teleph Corp <Ntt> 多波長書込み型光学素子
JPS63222332A (ja) * 1987-03-11 1988-09-16 Matsushita Electric Ind Co Ltd トラツキング誤差信号検出装置
EP0372365A2 (fr) * 1988-12-09 1990-06-13 Sharp Kabushiki Kaisha Appareil de lecture optique
JPH03214102A (ja) * 1990-01-19 1991-09-19 Sony Corp 光ピックアップ装置
EP0470807A1 (fr) * 1990-08-09 1992-02-12 Matsushita Electric Industrial Co., Ltd. Appareil à disques optiques
US5513164A (en) * 1992-09-11 1996-04-30 Kabushiki Kaisha Toshiba Optical recording and reproducing apparatus

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 012, no. 156 (P - 701) 13 May 1988 (1988-05-13) *
PATENT ABSTRACTS OF JAPAN vol. 012, no. 363 (P - 764) 29 September 1988 (1988-09-29) *
PATENT ABSTRACTS OF JAPAN vol. 013, no. 017 (P - 813) 17 January 1989 (1989-01-17) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 495 (P - 1288) 13 December 1991 (1991-12-13) *

Also Published As

Publication number Publication date
DE69725811D1 (de) 2003-12-04
EP0827140B1 (fr) 2003-10-29
JPH1064107A (ja) 1998-03-06
US5956312A (en) 1999-09-21
DE69725811T2 (de) 2004-07-29
EP0827140A2 (fr) 1998-03-04
JP3112841B2 (ja) 2000-11-27

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